Collagen type II is POSSIBLY SAFE when taken by mouth in doses up to 2.5 mg daily for up to 24 weeks. Itâs not clear what the side effects might be. Other collagen products, such as bovine collagen and gelatin, have caused allergic reactions.
Puffy, swollen eyelids and dark circles under the eyes can occur when you have an eye infection such as pink eye. These swollen eyes are caused by inflammation associated with the eye infection, which directly affects the neighboring eyelids. Also, dry eyes can cause general puffiness and swelling.
They are caused when pieces of debris floating in the jelly-like substance of the vitreous humor, which fills the middle of an eyeball, cause shadows on the retina at the back of the eye.While rarely a cause for concern, they can be annoying enough for some to want to learn how to reduce floaters.hey are caused when pieces of debris floating in the jelly-like substance of the vitreous humor, which fills the middle of an eyeball, cause shadows on the retina at the back of the eye.